7Th Ibero-American Conference on Systems, Cybernetics and Informatics, Cisci 2008, Jointly with the 5Th Ibero-American Symposium on Education, Cybernetics and Informatics, Sieci 2008 and 3Rd Int. Symp. on Knowledge Communication and Conf. Ccc 2008, Date: 29 June 2008 through 2 July 2008, Location: Orlando, FL, Sponsors: Asociacion Internacional de Comunicacion Interactiva (AINCI);Asociacion Latina Interaccion Persona-Ordenador (ALAIPO);Instituto de Energia de las Americas;Organizacion Universitaria Interamericana;Revista Ibero-Americana de Sistemas, Cibernetica e Informatica